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Dissertations / Theses on the topic 'Uncertain sequences'

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1

Howing, Frank. "Analysis and measurement of motion in 2D medical imaging sequences exploiting uncertain knowledge." Thesis, University of South Wales, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393062.

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2

BERNARDINI, GIULIA. "COMBINATORIAL METHODS FOR BIOLOGICAL DATA." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/305220.

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Lo scopo di questa tesi è di elaborare e analizzare metodi rigorosi dal punto di vista matematico per l’analisi di due tipi di dati biologici: dati relativi a pan-genomi e filogenesi. Con il termine “pan-genoma” si indica, in generale, un insieme di sequenze genomiche strettamente correlate (tipicamente appartenenti a individui della stessa specie) che si vogliano utilizzare congiuntamente come sequenze di riferimento per un’intera popolazione. Una filogenesi, invece, rappresenta le relazioni evolutive in un gruppo di entità, che siano esseri viventi, geni, lingue naturali, manoscritti antichi
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3

Touati, Sarah. "Complexity, aftershock sequences, and uncertainty in earthquake statistics." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/6224.

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Earthquake statistics is a growing field of research with direct application to probabilistic seismic hazard evaluation. The earthquake process is a complex spatio-temporal phenomenon, and has been thought to be an example of the self-organised criticality (SOC) paradigm, in which events occur as cascades on a wide range of sizes, each determined by fine details of the rupture process. As a consequence, deterministic prediction of specific event sizes, locations, and times may well continue to remain elusive. However, probabilistic forecasting, based on statistical patterns of occurrence, is a
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4

Hildebrandt, Jordan. "Calibrating M-Sequence and C-Sequence GPTSs with uncertainty quantification and cyclostratigraphy." Wittenberg University Honors Theses / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wuhonors1337876096.

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5

Herman, Joseph L. "Multiple sequence analysis in the presence of alignment uncertainty." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:88a56d9f-a96e-48e3-b8dc-a73f3efc8472.

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Sequence alignment is one of the most intensely studied problems in bioinformatics, and is an important step in a wide range of analyses. An issue that has gained much attention in recent years is the fact that downstream analyses are often highly sensitive to the specific choice of alignment. One way to address this is to jointly sample alignments along with other parameters of interest. In order to extend the range of applicability of this approach, the first chapter of this thesis introduces a probabilistic evolutionary model for protein structures on a phylogenetic tree; since protein stru
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6

Herner, Alan Eugene. "Measuring Uncertainty of Protein Secondary Structure." Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1302305875.

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7

Theorell, Axel. "Uncertainty-aware Tracking of Single Bacteria over Image Sequences with Low Frame Rate." Thesis, KTH, Optimeringslära och systemteori, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173801.

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In single-cell analysis, the physiologic states of individual cells are studied. In some studies, the subject of interest is the development over time of some cell characteristic. To obtain time-resolved single-cell data, one possibility is to conduct an experiment on a cell population and make a sequence of images of the population over the course of the experiment. If a mapping is at hand, which determines which cell it is that is the cause of each measured cell in the image sequence, time resolved single-cell data can be extracted. Such a mapping is called a lineage tree, and the process of
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8

Repo, T. (Tapio). "Modeling of structured 3-D environments from monocular image sequences." Doctoral thesis, University of Oulu, 2002. http://urn.fi/urn:isbn:9514268571.

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Abstract The purpose of this research has been to show with applications that polyhedral scenes can be modeled in real time with a single video camera. Sometimes this can be done very efficiently without any special image processing hardware. The developed vision sensor estimates its three-dimensional position with respect to the environment and models it simultaneously. Estimates become recursively more accurate when objects are approached and observed from different viewpoints. The modeling process starts by extracting interesting tokens, like lines and corners, from the first image. Those
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9

Hanson-Smith, Victor 1981. "Error and Uncertainty in Computational Phylogenetics." Thesis, University of Oregon, 2011. http://hdl.handle.net/1794/12151.

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xi, 119 p. : ill. (some col.)<br>The evolutionary history of protein families can be difficult to study because necessary ancestral molecules are often unavailable for direct observation. As an alternative, the field of computational phylogenetics has developed statistical methods to infer the evolutionary relationships among extant molecular sequences and their ancestral sequences. Typically, the methods of computational phylogenetic inference and ancestral sequence reconstruction are combined with other non-computational techniques in a larger analysis pipeline to study the inferred forms an
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10

Taylor, Josh Ellis. "The Christchurch earthquake sequence : government decision-making and confidence in the face of uncertainty." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45214.

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Natural disasters can create significant uncertainty for individuals and entire cities. This thesis examines the role of government decision-making and uncertainty in disaster recovery, focusing on a case study of post-earthquake Christchurch, New Zealand. Beginning in September 2010, Christchurch has been shaken by a devastating sequence of earthquakes, stretching over 18 months. The most severe event took place on February 22, 2011, taking the lives of 185 people and causing significant damage throughout the city. Building damage has forced the closure of portions of the Central Business
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11

Floden, Evan 1985. "Alignment uncertainty, regressive alignment and large scale deployment." Doctoral thesis, Universitat Pompeu Fabra, 2018. http://hdl.handle.net/10803/665300.

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A multiple sequence alignment (MSA) provides a description of the relationship between biological sequences where columns represent a shared ancestry through an implied set of evolutionary events. The majority of research in the field has focused on improving the accuracy of alignments within the progressive alignment framework and has allowed for powerful inferences including phylogenetic reconstruction, homology modelling and disease prediction. Notwithstanding this, when applied to modern genomics datasets - often comprising tens of thousands of sequences - new challenges arise in the const
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12

Kozlov, Oleksii [Verfasser], and A. [Akademischer Betreuer] Stamatakis. "Models, Optimizations, and Tools for Large-Scale Phylogenetic Inference, Handling Sequence Uncertainty, and Taxonomic Validation / Oleksii Kozlov ; Betreuer: A. Stamatakis." Karlsruhe : KIT-Bibliothek, 2018. http://d-nb.info/1156327857/34.

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13

Chang, Jia-Ming 1978. "Influence of alignment uncertainty on homology and phylogenetic modeling." Doctoral thesis, Universitat Pompeu Fabra, 2013. http://hdl.handle.net/10803/129301.

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Most evolutionary analyses are based upon pre-estimated multiple sequence alignment models. From a computational point of view, it is too complex to estimate a correct alignment, as it is to derive a correct tree from that alignment. Several works have recently reported on the influence of alignment on downstream analysis, and on the uncertainty inherent to their estimation. Chapter 1 develops the notion of alignment uncertainty as either inherent to the data (internal) or resulting from methodological biases (external). Chapter 2 presents two contributions of mine for the improvement o
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14

Igboekwu, Aloysius. "Representative agent earnings momentum models : the impact of sequences of earnings surprises on stock market returns under the influence of the Law of Small Numbers and the Gambler's Fallacy." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/18828.

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This thesis examines the response of a representative agent investor to sequences (streaks) of quarterly earnings surprises over a period of twelve quarters using the United States S&P500 constituent companies sample frame in the years 1991 to 2006. This examination follows the predictive performance of the representative agent model of Rabin (2002b) [Inference by believers in the law of small numbers. The Quarterly Journal of Economics. 117(3).p.775 816] and Barberis, Shleifer, and Vishny (1998) [A model of investor sentiment. Journal of Financial Economics. 49. p.307 343] for an investor who
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15

Ben, Zakour Asma. "Extraction des utilisations typiques à partir de données hétérogènes en vue d'optimiser la maintenance d'une flotte de véhicules." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14539/document.

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Le travail produit s'inscrit dans un cadre industriel piloté par la société 2MoRO Solutions. La réalisation présentée dans cette thèse doit servir à l'élaboration d'un service à haute valeur, permettant aux exploitants aéronautiques d'optimiser leurs actions de maintenance. Les résultats obtenus permettent d'intégrer et de regrouper les tâches de maintenance en vue de minimiser la durée d'immobilisation des aéronefs et d'en réduire les risques de panne.La méthode que nous proposons comporte trois étapes : (i) une étape de rationalisation des séquences afin de pouvoir les combiner [...]<br>The
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16

Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.

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Today, the main research field for the automotive industry is to find solutions for active safety. In order to perceive the surrounding environment, tracking nearby traffic objects plays an important role. Validation of the tracking performance is often done in staged traffic scenarios, where additional sensors, mounted on the vehicles, are used to obtain their true positions and velocities. The difficulty of evaluating the tracking performance complicates its development. An alternative approach studied in this thesis, is to record sequences and use non-causal algorithms, such as smoothing, i
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17

Chiang, Yu-Lin, and 江昱麟. "Floorplanning for Uncertain Modules by Using Sequence-Pair Representation." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/97889800083699460301.

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碩士<br>大葉大學<br>電機工程學系碩士班<br>93<br>Floorplanning is an important issue in the physical design phase of the VLSI design. As VLSI design hierarchy becomes more complex, it is difficult to immediately send obtained floorplanning information back to frontend system level designer for modifying modules if floorplanning is considered until the backend physical design phase. Hence, we consider solving floorplanning of uncertain modules which are designed in frontend system level and have not been designed completely yet. In this paper, to evaluate chip area effectively and efficiently, a non-slicing un
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18

Sun, Zi-Yun, and 孫子云. "Uncertainty Sequence Patterns Mining by Using Cloud Computing." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/13802602307590634345.

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碩士<br>國立中興大學<br>電機工程學系所<br>101<br>Sequence data are ubiquitous in our daily life, such as animals’ seasonal migration, DNA/protein sequences, Web browsing sequences. Sequence pattern mining is to discover special, important, and representative features hidden in sequence data. It attracts a lot of attention especially in the domains of bioinformatics and spatio-temporal trajectory data mining. Sequence data are inherently of some uncertainty, and the uncertainty may be caused by many reasons, such as limitations of the measuring technology, sampling error, privacy preserving. In this thesis, w
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